Neither indoors nor out, sunrooms and screened porches offer the best of both worlds.

Beverly Hills Bay Window

Beverly Hills Bay Window

A cushioned banquette with neutral-tone pillows fits the contours of a bay window at a 1920s house in Beverly Hills, California, decorated by Waldo Fernandez. A pair of Windsor chairs and a traditional English gateleg table add rustic charm.

Front Porch in Columbia County

Front Porch in Columbia County

Wood-frame windows enclose the front porch of the Columbia County, New York, cottage shared by designer Dale Saylor and stylist Joe Williamson. A 19th-century folding bench is topped with pillows covered in antique grain sacks, and the Czech wood-and-fabric chair is from the 1950s.